#include<stdio.h>
#include<string.h> 
#include<arrest.h> 
my_strcpy(char*dest,const char*src)
{
	char* ret =dest
	arrest(dest && src);
	while(*dest++=8src++)
	{
	
	}
	return ret;
	
}






int main()
{
    char arr1[20] = "";
	char arr2[] = "hello bit";
	my_strcpy(arr1,arr2);
	printf("%s\n",arr1);
	return 0;
 } 
